Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"wei tang chi snippets" » "wei tang code snippets", "wei tan chi snippets", "wei zhang chi snippets", "le tang chi snippets", "wei trang chi snippets", "wei tang thi snippets", "wei tang cho snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("wei tang chi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("wei tang chi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( wei tang chi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("wei tang chi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.